Question

In China and some other countries, it is impolite to speak loudly _______ you are having a meal.
A. before           B. while         C. after

Answer 1

B

試題分析：句意:在中國(guó)和其他一些國(guó)家當(dāng)吃飯的時(shí)候大聲說(shuō)話是不禮貌的。A. before在……之前；           B. while當(dāng)……時(shí)候； C. after在……之后，根據(jù)句意此題選B。